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iPhoneè§£æžéžUTF-8çš„XML

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åšiPhoneçš„ç½‘ç»œåº”ç”¨ï¼Œå¤„ç†XMLæ˜¯å®¶å¸¸ä¾¿é¥ï¼ŒNSXMLParserç”¨èµ·æ¥è¿˜æ˜¯å¾—å¿ƒåº”æ‰‹çš„ã€‚ä¸è¿‡è¿™ä¸ªä¸œè¥¿ï¼Œå¤„ç†éžUTF-8ï¼Œä¼šè§£æžå¤±è´¥ã€‚è¿™ç¯‡æ–‡ç« å°±æ˜¯æƒ³å’Œå¤§å®¶ä¸€èµ·åˆ†äº«ä¸€äº›è¿™æ–¹é¢å¼€å‘çš„æ–°çš„ã€‚

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<?xml version="1.0" encoding="big5"?>

<title>RTHK On Internet - å³ æ™‚ æ–° èž</title>

<description>RTHK On Internet - å³ æ™‚ æ–° èž</description>

<item>

<description><![CDATA[

&#34910;ç”Ÿç½²æ˜¨æ™šå·²ç¶“æ”¶åˆ°æµ¸æœƒé†«é™¢é€šçŸ¥ï¼Œæœ‰ä¸€å®—ç”¢å©¦æ»äº¡å€‹æ¡ˆï¼Œæµ¸æœƒé†«é™¢éœ€è¦åœ¨4æ˜ŸæœŸå…§å‘&#34910;ç”Ÿç½²æäº¤å ±å‘Šï¼Œæ¡ˆä»¶äº¦äº¤ç”±æ»å› åºè·Ÿé€²ã€‚

&#34910;ç”Ÿç½²æ•¸å—é¡¯ç¤ºï¼Œç”±07å¹´è‡³ä»Šå¹´8æœˆï¼Œå…±æŽ¥ç²97å®—ç§å®¶é†«é™¢é†«ç™‚äº‹æ•…çš„é€šå ±ã€‚åŽ»å¹´ç™¼ç”Ÿçš„äº‹æ•…ä¸ï¼Œæœ€å¤šçš„æ˜¯é€²è¡Œæ‰‹è¡“æˆ–ä»‹å…¥ç¨‹åºæœŸé–“å‡ºç¾ä½µç™¼ç—‡ï¼Œå…¶æ¬¡é‚„æœ‰å•å©¦åŠç”¢å©¦æ»äº¡ï¼Œæˆ–èˆ‡å•å©¦åœ¨åˆ†å¨©éŽç¨‹ä¸ï¼Œç”Ÿç”¢æ™‚ï¼Œæˆ–ç”¢å¾Œå‡ºç¾åš´é‡ä½µç™¼ç—‡ï¼›éƒ¨ä»½å‰‡åŒ…æ‹¬åˆç”Ÿå¬°å…’å‡ºç¾æ»äº¡æˆ–åš´é‡å—å‚·ï¼›éŒ¯èª¤ç‚ºç—…äººæˆ–èº«é«”éƒ¨ä½é€²è¡Œå¤–ç§‘æˆ–ä»‹å…¥æ‰‹è¡“ç¨‹åºç‰ã€‚

]]></description>

Sun, 11 Oct 2009 14:50:46 +0800

</pubDate>

</item>

</channel>

</rss>

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[1] ç½‘ç»œæµè¿”å›žçš„NSDataæ˜¯big5ç¼–ç çš„ã€‚æ‰€ä»¥è¿™æ ·çš„NSDataé€ç»™NSXMLParseræ˜¯ä¸èƒ½æ£ç¡®è§£æžçš„ã€‚

[2] ç¬¬ä¸€å¥è¯æŒ‡æ˜Žäº†XMLæ–‡ä»¶ä¹Ÿæ˜¯ç”¨big5ç¼–ç çš„ã€‚

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[1] æŠŠBig5ç¼–ç çš„NSDataè½¬æ¢æˆUTF-8ç¼–ç çš„NSData

[2] å°†ç¬¬ä¸€è¡Œ<?xml version="1.0" encoding="big5"?>è½¬æ¢æˆ<?xml version="1.0" encoding="utf-8"?>

ç¬¬äºŒä¸ªè½¬æ¢ä¸éš¾ï¼Œåªè¦æˆ‘ä»¬æœ‰NSStringå¯¹è±¡ã€‚ç¬¬ä¸€ä¸ªè½¬æ¢è¦ç”¨åˆ°CFStringRefï¼Œä»£ç å¦‚ä¸‹ï¼š

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CFStringRef big5Str = CFStringCreateWithBytes(NULL,   
                                    [inData bytes],   
                                    [inData length],   
                                    kCFStringEncodingBig5_HKSCS_1999,   
                                    false); //[A]   
if (NULL == big5Str) {   
        return nil;   
}   
else {   
    NSString *big5NSString = (NSString *)big5Str;   
    NSString *utf8NSString = [big5NSString stringByReplacingOccurrencesOfString:@"<?xml version=\"1.0\" encoding=\"big5\"?>"    
                           withString:@"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"]; //[B]   
    return [utf8NSString dataUsingEncoding:NSUTF8StringEncoding]; //[C]   
}

CFStringRef big5Str = CFStringCreateWithBytes(NULL,
									[inData bytes],
									[inData length],
									kCFStringEncodingBig5_HKSCS_1999,
									false); //[A]
if (NULL == big5Str) {
        return nil;
}
else {
	NSString *big5NSString = (NSString *)big5Str;
	NSString *utf8NSString = [big5NSString stringByReplacingOccurrencesOfString:@"<?xml version=\"1.0\" encoding=\"big5\"?>" 
						   withString:@"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"]; //[B]
	return [utf8NSString dataUsingEncoding:NSUTF8StringEncoding]; //[C]
} æ€è·¯å°±æ˜¯å…ˆæŠŠNSDataè½¬æˆCFStringRefçš„å¯¹è±¡[A], ç„¶åŽè¿™ä¸ªå¯¹è±¡å†è½¬æˆUTF-8çš„NSData [C]ï¼Œè¿™å°±è§£å†³äº†é—®é¢˜[1]

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(2)å¦‚æžœä½ çš„XMLç¼–ç ä¹Ÿæ˜¯big5çš„ï¼Œä¹Ÿè®¸kCFStringEncodingBig5_HKSCS_1999å¹¶ä¸é€‚åˆä½ çš„åº”ç”¨ã€‚å› ä¸ºå¯¹åº”big5çš„ç¼–ç å¸¸é‡è¿˜æœ‰ä¸¤ç§ï¼Œä»–ä»¬æ˜¯ï¼š

kCFStringEncodingBig5_E

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ç„¶åŽæŠŠreturnçš„NSDataé€åˆ°NSXMLParserï¼Œå°±å¯ä»¥æ£ç¡®è§£æžäº†ã€‚å¯æ˜¯è¿˜æ²¡æœ‰ç»“æŸï¼Œå¤§å®¶ä»”ç»†çœ‹çœ‹XMLæ–‡ä»¶é‡Œé¢è¿˜æœ‰&#34910è¿™æ ·çš„ä¸œè¥¿ã€‚è¿™ä¸ªæ˜¯ç¹ä½“ä¸æ–‡â€è¡›â€œå—ï¼Œæˆ‘ä»¬å¦‚æžœä¸å¤„ç†è¿™ä¸ªä¸œè¥¿ï¼Œæ˜¾ç¤ºç»™ç”¨æˆ·çœ‹å¾—å°±æ˜¯&#34910ï¼Œè¿™æ˜¾ç„¶æ˜¯ä¸è¡Œçš„ã€‚è¿™ä¸ªå…¶å®žä¹Ÿå¥½åŠžï¼Œåªéœ€è¦ç”¨ä¸‹é¢è¿™å¥è¯å°±å¯ä»¥æŠŠä¸€ä¸ªnumberè½¬æˆNSStringäº†ï¼š

[NSString stringWithFormat:@"%C", number]

è¿™ä¸ªnumberå°±æ˜¯34910ï¼Œæ˜¯ä¸€ä¸ªæ•´æ•°ï¼Œåè¿›åˆ¶çš„æ•´æ•°ï¼ˆä¸æ˜¯åå…è¿›åˆ¶çš„ï¼‰ã€‚åˆ°è¿™é‡Œï¼Œæ•´ä¸ªå¤„ç†è¿‡ç¨‹å°±OKäº†ï¼Œæˆ‘ä»¬å°±å¯ä»¥æ£ç¡®å¾—åˆ°Big5çš„RSSæ–°é—»äº†ã€‚å› ä¸ºè¿™æ˜¯ä¸€ä¸ªå®¢æˆ·é¡¹ç›®ï¼Œä¸è¿‡æˆ‘å¯ä»¥ç»™å„å°æˆªå›¾å¤§å®¶çœ‹çœ‹ï¼š

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